/*
 * jqDnR - Minimalistic Drag'n'Resize for jQuery.
 *
 * Copyright(c) 2007 Brice Burgess <bhb@iceburg.net>, http://www.iceburg.net
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 *
 * $Version: 2007.08.19 +r2
 */
(function($){
	$.fn.jqDrag = function(h){
		return i(this, h, 'd');
	};
	$.fn.jqResize = function(h){
		return i(this, h, 'r');
	};
	$.jqDnR = {
		dnr: {},
		e: 0,
		drag: function(v){
			if(M.k == 'd') E.css({
				left: M.X + v.pageX - M.pX,
				top: M.Y + v.pageY - M.pY
			});
			else E.css({
				width: Math.max(v.pageX - M.pX + M.W, 0),
				height: Math.max(v.pageY - M.pY + M.H, 0)
			});
			return false;
		},
		stop: function(){
			if(document.all) {
				E.css('filter', 'alpha(Opacity=100,style=0)');
			}
			else {
				E.css('opacity', M.o);
			}
			$().unbind('mousemove', J.drag).unbind('mouseup', J.stop);
		}
	};
	var J = $.jqDnR, M = J.dnr, E = J.e, i = function(e, h, k){
		return e.each(function(){
			h = (h) ? $(h, e) : e;
			h.bind('mousedown', {
				e: e,
				k: k
			}, function(v){
				var d = v.data, p = {};
				E = d.e;
				// attempt utilization of dimensions plugin to fix IE issues
				if(E.css('position') != 'relative') {
					try {
						E.position(p);
					} 
					catch(e) {
					}
				}
				M = {
					X: p.left || f('left') || 0,
					Y: p.top || f('top') || 0,
					W: f('width') || E[0].scrollWidth || 0,
					H: f('height') || E[0].scrollHeight || 0,
					pX: v.pageX,
					pY: v.pageY,
					k: d.k,
					o: E.css('opacity')
				};
				
				if(document.all) {
					E.css('filter', 'alpha(Opacity=60,style=0)');
				}
				else {
					E.css('opacity', 0.6);
				}
				
				$().mousemove($.jqDnR.drag).mouseup($.jqDnR.stop);
				return false;
			});
		});
	}, f = function(k){
		return parseInt(E.css(k)) || false;
	};
})(jQuery);
